# 单引号定义法
name = 'hello world'
print(name)

# 双引号定义法
name = "hello world"
print(name)

# 三引号定义法
name = """hello world"""
print(name)

# 嵌套(1. 外单内双 2. 内双外单 3. 使用转义符)
name = "你好：'syo'"
name = '你好："syo"'
name = "你好：\"syo\""
print(name)